/Engine/Source/Runtime/Engine/Public/BatchedElements.h
Adds a point to the batch. Note only SE_BLEND_Opaque will be used for batched point rendering.
void AddPoint ( const FVector & Position, float Size, const [FLinearColor](API\Runtime\Core\Math\FLinearColor) & Color, [FHitProxyId](API\Runtime\Engine\FHitProxyId) HitProxyId )